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Adaptive branchial mechanisms in the sturgeon Acipenser naccarii during acclimation to saltwater
Variations of Na +/K +-ATPase activity and fatty-acid composition in the gills of the sturgeon Acipenser naccarii subjected to progressive acclimation to full seawater (35 ppt) were determined in relation to the hypo-osmoregulatory capacity of this species in the hyperosmotic medium. Blood samples w...
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| Published in: | Comparative biochemistry and physiology. Part A, Molecular & integrative physiology Molecular & integrative physiology, 2005-06, Vol.141 (2), p.183-190 |
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| cited_by | cdi_FETCH-LOGICAL-c451t-47355171a494763c31f27a0c2433fc28c6483a44e6fbc3896a164870c4a478c23 |
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| cites | cdi_FETCH-LOGICAL-c451t-47355171a494763c31f27a0c2433fc28c6483a44e6fbc3896a164870c4a478c23 |
| container_end_page | 190 |
| container_issue | 2 |
| container_start_page | 183 |
| container_title | Comparative biochemistry and physiology. Part A, Molecular & integrative physiology |
| container_volume | 141 |
| creator | Martínez-Álvarez, Rosa M. Sanz, Ana García-Gallego, Manuel Domezain, Alberto Domezain, Julio Carmona, Ramón del Valle Ostos-Garrido, M. Morales, Amalia E. |
| description | Variations of Na
+/K
+-ATPase activity and fatty-acid composition in the gills of the sturgeon
Acipenser naccarii subjected to progressive acclimation to full seawater (35 ppt) were determined in relation to the hypo-osmoregulatory capacity of this species in the hyperosmotic medium. Blood samples were taken and gills arches were removed at intermediate salinity levels between 0 and 35 ppt and after 20 days at constant salinity (35 ppt). Plasma osmolality and Na
+/K
+-ATPase activity increased significantly with growing environmental salinity. Total saturated fatty acids (SFAs) decreased, while total polyunsaturated fatty acids (PUFAs) increased significantly with increasing salinity due mainly to changes in
n
−
3 PUFAs (20:5
n
−
3 and 22:6
n
−
3). The
n
−
3
/
n
−
6 ratio increased significantly during the acclimation process. The results show a direct relationship between salinity, increased gill Na
+/K
+-ATPase activity and ultrastructural changes of the gill chloride cells. Changes in the fatty-acid composition in gills of
A. naccarii during progressive acclimation to full seawater suggest that variations of gill fatty acids may also have a role in osmoregulatory mechanisms. |
| doi_str_mv | 10.1016/j.cbpb.2005.05.003 |
| format | article |
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+/K
+-ATPase activity and fatty-acid composition in the gills of the sturgeon
Acipenser naccarii subjected to progressive acclimation to full seawater (35 ppt) were determined in relation to the hypo-osmoregulatory capacity of this species in the hyperosmotic medium. Blood samples were taken and gills arches were removed at intermediate salinity levels between 0 and 35 ppt and after 20 days at constant salinity (35 ppt). Plasma osmolality and Na
+/K
+-ATPase activity increased significantly with growing environmental salinity. Total saturated fatty acids (SFAs) decreased, while total polyunsaturated fatty acids (PUFAs) increased significantly with increasing salinity due mainly to changes in
n
−
3 PUFAs (20:5
n
−
3 and 22:6
n
−
3). The
n
−
3
/
n
−
6 ratio increased significantly during the acclimation process. The results show a direct relationship between salinity, increased gill Na
+/K
+-ATPase activity and ultrastructural changes of the gill chloride cells. Changes in the fatty-acid composition in gills of
A. naccarii during progressive acclimation to full seawater suggest that variations of gill fatty acids may also have a role in osmoregulatory mechanisms.</description><identifier>ISSN: 1095-6433</identifier><identifier>EISSN: 1531-4332</identifier><identifier>DOI: 10.1016/j.cbpb.2005.05.003</identifier><identifier>PMID: 15955717</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Acclimatization - physiology ; Acipenser naccarii ; Animals ; Chloride cells ; Fatty Acids - metabolism ; Fatty-acid composition ; Fishes - blood ; Fishes - physiology ; Fresh Water ; Gill ; Gills - physiology ; Gills - ultrastructure ; Microscopy, Electron, Transmission ; Na +/K +-ATPase ; Osmolar Concentration ; Osmoregulation ; Seawater ; Seawater acclimation ; Sodium-Potassium-Exchanging ATPase - physiology ; Ultrastructure ; Water-Electrolyte Balance - physiology</subject><ispartof>Comparative biochemistry and physiology. Part A, Molecular & integrative physiology, 2005-06, Vol.141 (2), p.183-190</ispartof><rights>2005 Elsevier Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c451t-47355171a494763c31f27a0c2433fc28c6483a44e6fbc3896a164870c4a478c23</citedby><cites>FETCH-LOGICAL-c451t-47355171a494763c31f27a0c2433fc28c6483a44e6fbc3896a164870c4a478c23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15955717$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Martínez-Álvarez, Rosa M.</creatorcontrib><creatorcontrib>Sanz, Ana</creatorcontrib><creatorcontrib>García-Gallego, Manuel</creatorcontrib><creatorcontrib>Domezain, Alberto</creatorcontrib><creatorcontrib>Domezain, Julio</creatorcontrib><creatorcontrib>Carmona, Ramón</creatorcontrib><creatorcontrib>del Valle Ostos-Garrido, M.</creatorcontrib><creatorcontrib>Morales, Amalia E.</creatorcontrib><title>Adaptive branchial mechanisms in the sturgeon Acipenser naccarii during acclimation to saltwater</title><title>Comparative biochemistry and physiology. Part A, Molecular & integrative physiology</title><addtitle>Comp Biochem Physiol A Mol Integr Physiol</addtitle><description>Variations of Na
+/K
+-ATPase activity and fatty-acid composition in the gills of the sturgeon
Acipenser naccarii subjected to progressive acclimation to full seawater (35 ppt) were determined in relation to the hypo-osmoregulatory capacity of this species in the hyperosmotic medium. Blood samples were taken and gills arches were removed at intermediate salinity levels between 0 and 35 ppt and after 20 days at constant salinity (35 ppt). Plasma osmolality and Na
+/K
+-ATPase activity increased significantly with growing environmental salinity. Total saturated fatty acids (SFAs) decreased, while total polyunsaturated fatty acids (PUFAs) increased significantly with increasing salinity due mainly to changes in
n
−
3 PUFAs (20:5
n
−
3 and 22:6
n
−
3). The
n
−
3
/
n
−
6 ratio increased significantly during the acclimation process. The results show a direct relationship between salinity, increased gill Na
+/K
+-ATPase activity and ultrastructural changes of the gill chloride cells. Changes in the fatty-acid composition in gills of
A. naccarii during progressive acclimation to full seawater suggest that variations of gill fatty acids may also have a role in osmoregulatory mechanisms.</description><subject>Acclimatization - physiology</subject><subject>Acipenser naccarii</subject><subject>Animals</subject><subject>Chloride cells</subject><subject>Fatty Acids - metabolism</subject><subject>Fatty-acid composition</subject><subject>Fishes - blood</subject><subject>Fishes - physiology</subject><subject>Fresh Water</subject><subject>Gill</subject><subject>Gills - physiology</subject><subject>Gills - ultrastructure</subject><subject>Microscopy, Electron, Transmission</subject><subject>Na +/K +-ATPase</subject><subject>Osmolar Concentration</subject><subject>Osmoregulation</subject><subject>Seawater</subject><subject>Seawater acclimation</subject><subject>Sodium-Potassium-Exchanging ATPase - physiology</subject><subject>Ultrastructure</subject><subject>Water-Electrolyte Balance - physiology</subject><issn>1095-6433</issn><issn>1531-4332</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkU2P1DAMhiMEYj_gD3BAOXHrEDdJ05G4jFZ8rLQSFziH1HV3MmrTkqSL-PekmpG4QWQpsfX4VeyXsTcgdiCgeX_aYbd0u1oIvdtCyGfsGrSESklZPy9vsddVU5IrdpPSSZSjQL1kV6D3Whsw1-zHoXdL9k_Eu-gCHr0b-UR4dMGnKXEfeD4ST3mNjzQHfkC_UEgUeXCILnrP-zX68MhLOvrJZV-oPPPkxvzLZYqv2IvBjYleX-5b9v3Tx293X6qHr5_v7w4PFSoNuVJGag0GnNor00iUMNTGCazL7wesW2xUK51S1AwdynbfOCgVI1A5ZVqs5S17d9Zd4vxzpZTt5BPSOLpA85ps0wpVK5D_BcEoowFEAesziHFOKdJgl1gmjL8tCLsZYE92M8BuBtgtxKb-9qK-dhP1f1suGy_AhzNAZRlPnqJN6Ckg9T4SZtvP_l_6fwAh95aE</recordid><startdate>20050601</startdate><enddate>20050601</enddate><creator>Martínez-Álvarez, Rosa M.</creator><creator>Sanz, Ana</creator><creator>García-Gallego, Manuel</creator><creator>Domezain, Alberto</creator><creator>Domezain, Julio</creator><creator>Carmona, Ramón</creator><creator>del Valle Ostos-Garrido, M.</creator><creator>Morales, Amalia E.</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>20050601</creationdate><title>Adaptive branchial mechanisms in the sturgeon Acipenser naccarii during acclimation to saltwater</title><author>Martínez-Álvarez, Rosa M. ; Sanz, Ana ; García-Gallego, Manuel ; Domezain, Alberto ; Domezain, Julio ; Carmona, Ramón ; del Valle Ostos-Garrido, M. ; Morales, Amalia E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-47355171a494763c31f27a0c2433fc28c6483a44e6fbc3896a164870c4a478c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Acclimatization - physiology</topic><topic>Acipenser naccarii</topic><topic>Animals</topic><topic>Chloride cells</topic><topic>Fatty Acids - metabolism</topic><topic>Fatty-acid composition</topic><topic>Fishes - blood</topic><topic>Fishes - physiology</topic><topic>Fresh Water</topic><topic>Gill</topic><topic>Gills - physiology</topic><topic>Gills - ultrastructure</topic><topic>Microscopy, Electron, Transmission</topic><topic>Na +/K +-ATPase</topic><topic>Osmolar Concentration</topic><topic>Osmoregulation</topic><topic>Seawater</topic><topic>Seawater acclimation</topic><topic>Sodium-Potassium-Exchanging ATPase - physiology</topic><topic>Ultrastructure</topic><topic>Water-Electrolyte Balance - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Martínez-Álvarez, Rosa M.</creatorcontrib><creatorcontrib>Sanz, Ana</creatorcontrib><creatorcontrib>García-Gallego, Manuel</creatorcontrib><creatorcontrib>Domezain, Alberto</creatorcontrib><creatorcontrib>Domezain, Julio</creatorcontrib><creatorcontrib>Carmona, Ramón</creatorcontrib><creatorcontrib>del Valle Ostos-Garrido, M.</creatorcontrib><creatorcontrib>Morales, Amalia E.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><jtitle>Comparative biochemistry and physiology. Part A, Molecular & integrative physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Martínez-Álvarez, Rosa M.</au><au>Sanz, Ana</au><au>García-Gallego, Manuel</au><au>Domezain, Alberto</au><au>Domezain, Julio</au><au>Carmona, Ramón</au><au>del Valle Ostos-Garrido, M.</au><au>Morales, Amalia E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adaptive branchial mechanisms in the sturgeon Acipenser naccarii during acclimation to saltwater</atitle><jtitle>Comparative biochemistry and physiology. Part A, Molecular & integrative physiology</jtitle><addtitle>Comp Biochem Physiol A Mol Integr Physiol</addtitle><date>2005-06-01</date><risdate>2005</risdate><volume>141</volume><issue>2</issue><spage>183</spage><epage>190</epage><pages>183-190</pages><issn>1095-6433</issn><eissn>1531-4332</eissn><abstract>Variations of Na
+/K
+-ATPase activity and fatty-acid composition in the gills of the sturgeon
Acipenser naccarii subjected to progressive acclimation to full seawater (35 ppt) were determined in relation to the hypo-osmoregulatory capacity of this species in the hyperosmotic medium. Blood samples were taken and gills arches were removed at intermediate salinity levels between 0 and 35 ppt and after 20 days at constant salinity (35 ppt). Plasma osmolality and Na
+/K
+-ATPase activity increased significantly with growing environmental salinity. Total saturated fatty acids (SFAs) decreased, while total polyunsaturated fatty acids (PUFAs) increased significantly with increasing salinity due mainly to changes in
n
−
3 PUFAs (20:5
n
−
3 and 22:6
n
−
3). The
n
−
3
/
n
−
6 ratio increased significantly during the acclimation process. The results show a direct relationship between salinity, increased gill Na
+/K
+-ATPase activity and ultrastructural changes of the gill chloride cells. Changes in the fatty-acid composition in gills of
A. naccarii during progressive acclimation to full seawater suggest that variations of gill fatty acids may also have a role in osmoregulatory mechanisms.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>15955717</pmid><doi>10.1016/j.cbpb.2005.05.003</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1095-6433 |
| ispartof | Comparative biochemistry and physiology. Part A, Molecular & integrative physiology, 2005-06, Vol.141 (2), p.183-190 |
| issn | 1095-6433 1531-4332 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_68042413 |
| source | ScienceDirect Freedom Collection 2022-2024 |
| subjects | Acclimatization - physiology Acipenser naccarii Animals Chloride cells Fatty Acids - metabolism Fatty-acid composition Fishes - blood Fishes - physiology Fresh Water Gill Gills - physiology Gills - ultrastructure Microscopy, Electron, Transmission Na +/K +-ATPase Osmolar Concentration Osmoregulation Seawater Seawater acclimation Sodium-Potassium-Exchanging ATPase - physiology Ultrastructure Water-Electrolyte Balance - physiology |
| title | Adaptive branchial mechanisms in the sturgeon Acipenser naccarii during acclimation to saltwater |
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